In literature regionalism refers to fiction or poetry that focuses on specific features, such as dialect, customs, history, and landscape, of a particular region (also called local colour): Such a locale is likely to be rural and/or provincial.. Contents.
Sparging (chemistry) (Redirected from Sparger) In chemistry, sparging, also known as gas flushing in metallurgy, is a technique which involves bubbling a chemically inert gas, such as nitrogen, argon, or helium, through a liquid. This can be used to remove dissolved gases (e.g. oxygen) from the liquid.
Definition: Air sparging is a remediation technique used by injecting air into contaminated ground water. The main purpose of the air sparging system is to provide biodegradation of volatile organic compounds (VOCs) in the groundwater passing through the treatment zone.